Dutch police recruit rodents to rat on criminals The latest species to join Dutch police is hard at work behind the blacked-out windows of a building in Rotterdam: rats learning to sniff out crime and a new forensic future. Derrick, Thomson and Thompson, Magnum and Poirot, all named after fictional detectives, hope soon to help police not only keep the streets clean, but also save time and money. A natural sound version of an AFPTV report